Download the Latest SANDBOXX App on Google Play & the App Store

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Send Letter | Connect with Units | Book Military Travel 


Sending letters to basic training, boot camp or on deployment directly from your phone has never been EASIER or FASTER. Your letter will be processed the SAME DAY if your order is placed Monday-Friday before 5pm EST.

Receive weekly updates on what your recruit/trainee is doing for the week.

Units/Kin Units

Find every unit you have ever served with and stay connected. Keep those who matter most to you close by connecting your friends and family.

and Introducing….


Planning a trip to military graduation can be stressful, but it doesn’t need to be. Our military travel experts take care of everything with worry FREE cancellation.


Share you SANDBOXX experience on social with the hashtag #SandboxxLetters. Post a picture sending or receiving your letters with the same hashtag to help spread the word and to keep our military community connected.

 Download SANDBOXX for FREE from the App Store and on  Google Play



SANDBOXX is a mobile app focused on connecting our military community.
Army | Navy | Marines | Air Force | Coast Guard

One Reply to “Download the Latest SANDBOXX App on Google Play & the App Store”

  1. I am new to the military family. My son enlisted with the Marines in August and, as any mom, I had mixed emotions. This app has been a blessing to me. Not only does it make it easy to send frequent letters to my son, they kept users up to date with what was transpiring In Parris Island during hurricane Irma. Without their messages, I would have been most uneasy not knowing what was going on. The unexpected updates were “priceless”.
    Recently, I needed assistance with a letter that I submitted and they could not have been more accommodating. With their services, I find that I write more letters because delivery time is so fast. This makes a nice surprise for my son each week. Many thanks for what you do for military families.


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